package com.ray.com.ray.demo;

import com.ray.com.ray.demo.bean.Book;

import java.math.BigDecimal;

/**
 * Created by alisports-it06 on 2016/12/22.
 */
public interface BookManager {

    int addBook(String bookName, BigDecimal bookPrice) throws Exception;

    void removeBook(Integer bookId);

    Book addBook(Book book);
}
